Auxiliary tool handle



FIG. 1 is a perspective view of my new, original, and ornamental design for an auxiliary tool handle, the broken line showing of a shovel being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for an auxiliary tool handle, as shown. 